Simple Rails App: Error Cannot visit Integer

Question

I am trying to build a simple Rails app. Rails v3.2.22.5 (it is a requirement). I am running it with PostgreSQL. When I start the server however I get the following error wh

Answer 1

For future Googlers. I had the same problem but I needed to apply a variant of Thomas Dziedzic solution.

I have ruby 2.5.1 and rails 4.2.10 running in my system.

As shown in this commit ToSql was changed from Arel::Visitors::Visitorto Arel::Visitors::Reduce

So this is my updated solution. In a rails initializer put this:

module Arel
  module Visitors
    class DepthFirst < Arel::Visitors::Visitor
      alias :visit_Integer :terminal
    end

    class Dot < Arel::Visitors::Visitor
      alias :visit_Integer :visit_String
    end

    class ToSql < Arel::Visitors::Reduce
      alias :visit_Integer :literal
    end
  end
end